The level of the Syldavia market index is $21,000$ at the start of the year and $25,500$ at the end. The dividend yield on the index is $4\mathrm{.}2\%.$

a$.$ What is the return on the index over the year?

b$.$ If the interest rate is $6\%,$ what is the risk premium over the year?

c$.$ If the inflation rate is $8\%,$ what is the real return on the index over the year?

Note: For all requirements, do not round intermediate calculations and enter your answers as a percent rounded to $2$ decimal places.

Answer is complete but not entirely correct.

$\backslash$table$[[$a$.$ Return,$25\mathrm{.}63vv,\%$